Rapid clamp for charging and discharging detection of lithium ion battery

Abstract

The utility model relates to the technical field of lithium ion battery detection, in particular to a lithium ion battery charge and discharge detection rapid clamp, which comprises a base and a detection mechanism, the detection mechanism is arranged on the upper surface of the base and comprises two cylinders and a blanking assembly, the two cylinders are fixedly connected with the upper surface of the base, and the blanking assembly is fixedly connected with the base. The output end of the air cylinder is fixedly connected with moving frames, the moving frames are in sliding connection with the inner wall of the base, the surfaces of the two moving frames are respectively provided with a positive electrode head and a negative electrode head, the inner wall of the base is in sliding connection with a placing seat, and the inner wall of the base is rotationally connected with an adjusting screw rod. The device can reduce manual blanking and manual clamping and loosening operations, not only improves blanking efficiency, but also reduces manual labor intensity, can adapt to detection of lithium ion batteries of various sizes, ensures good contact between battery electrodes and detection parts, ensures stable transmission of detection signals, and improves detection efficiency. Therefore, the detection accuracy and the overall usability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium ion battery detection, in particular to a quick clamp for lithium ion battery charge and discharge detection. Background Art

[0002] The lithium-ion battery charge and discharge test quick fixture is a device specifically used in the process of lithium-ion battery charge and discharge performance testing. It can quickly fix the battery and accurately connect it to the testing equipment. It plays a vital role in the production, research and development, and quality testing of lithium-ion batteries.

[0003] The existing technology such as the utility model with announcement number CN220021233U discloses a cylindrical lithium battery charging and discharging fixture, including a base, a support plate fixedly provided on the top surface of the base, a probe group provided on the support plate, a support seat fixedly provided on one side of the support plate, a push plate slidingly provided on the side of the support seat away from the support plate, a bottom plate fixedly provided on the side of the push plate away from the support seat, a handle provided on the bottom plate, the handle including a connected connecting section and a gripping section, one end of the handle is hinged to the bottom plate, the gripping section is located on the side of the connecting section close to the push plate, and the gripping section is inclined in the direction close to the push plate, a connecting rod is hinged at the connection between the gripping section and the connecting section, a push rod is hinged at one end of the connecting rod away from the connecting section, a sliding sleeve is provided on the peripheral wall of the push rod, the sliding sleeve is fixedly connected to the bottom plate, the push rod is slidably connected to the sliding sleeve, and one end of the push rod passes through the sliding sleeve and is fixedly connected to the push plate. The utility model provides a cylindrical lithium battery charging and discharging fixture, which can quickly disassemble and assemble lithium batteries, thereby improving the efficiency and stability of battery charging and discharging.

[0004] In daily work, it is found that the lithium-ion battery charge and discharge detection quick clamp in the above-mentioned patent has some problems when used. On the one hand, the clamp requires manual operation during the clamping and loosening process, and manual picking is also required when unloading, which makes the overall operation more troublesome. On the other hand, the size of its support base is fixed. When lithium-ion batteries of different thicknesses are placed, the positive and negative probes cannot be aligned with the two ends of the battery, thereby affecting the detection effect. These problems make the existing lithium-ion battery charge and discharge detection quick clamp inconvenient to operate as a whole, and it is not convenient to place batteries of different specifications for testing. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art, such as the inconvenience of overall operation and the inconvenience of placing batteries of different specifications for testing, and to propose a quick fixture for charging and discharging testing of lithium-ion batteries.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lithium-ion battery charging and discharging detection quick clamp, comprising a base and a detection mechanism, the detection mechanism is arranged on the upper surface of the base, the detection mechanism includes two cylinders and a blanking assembly, the two cylinders are fixedly connected to the upper surface of the base, the output end of the cylinder is fixedly connected to a movable frame, the movable frame is slidably connected to the inner wall of the base, the surfaces of the two movable frames are respectively installed with a positive head and a negative head, the inner wall of the base is slidably connected to a placement seat, the inner wall of the base is rotatably connected to an adjusting screw, the adjusting screw is threadedly connected to the inner wall of the placement seat, the inner wall of the base is rotatably connected to a control rod, the control rod and the adjusting screw are driven by a belt, and the blanking assembly is arranged on On the surface of the base, the blanking assembly includes a transparent plate, which is fixedly connected to the surface of the base, and the inner wall of the transparent plate is slidably connected to a pushing member. The surface of the transparent plate is provided with a driving unit, and the surface of the base is provided with a blanking trough. Through the above components, the battery can be placed on the placement seat during testing, and the two cylinders drive the movable frame to move respectively. The positive head and the negative head in the two movable frames will be clamped together with the positive and negative poles of the battery to realize charging and discharging testing. At the same time, the control rod can drive the adjusting screw to rotate through the belt, thereby adjusting the placement seat to facilitate the placement of batteries of different thicknesses, so that the battery is kept concentrically aligned with the positive head and the negative head. After the test is completed, the driving unit can cooperate with the adjusting screw to drive the pushing member to move, and push the battery out for blanking.

[0007] Preferably, one side surface of the placement seat is provided with a mark, and the mark corresponds to the sizes of lithium-ion batteries of different thicknesses. Through the above components, by the marks corresponding to the sizes of lithium-ion batteries of different thicknesses, precise adjustment can be achieved during adjustment, thereby improving the overall accuracy.

[0008] Preferably, the driving unit includes a driving motor, which is fixedly connected to the surface of the transparent plate, and the inner wall of the transparent plate is rotatably connected to a transmission screw, the output end of the driving motor is fixedly connected to one end of the transmission screw, and the transmission screw is threadedly connected to the inner wall of the pushing member. Through the above components, when driving, the driving motor can be turned on, the driving motor drives the transmission screw to rotate, and the transmission screw can drive the pushing member to move, thereby pushing the battery on the placement seat away for unloading.

[0009] Preferably, the pushing member is composed of two T-shaped rods slidably connected to the inner wall of the transparent plate and a connecting block fixedly connected to the two T-shaped rods.

[0010] Preferably, a collecting device is provided on one side of the base, and the collecting device includes a collecting box located on one side of the base, and a T-shaped block is fixedly connected to the surface of the collecting box, and the T-shaped block is plugged into the inner wall of the base. A groove is provided on the surface of the collecting box, and the groove corresponds to the discharge trough on the surface of the base. Through the above components, the collection box can be placed by inserting the T-shaped block on the collection box into the inner wall of the base. When unloading, the batteries roll into the collection box through the discharge trough for collection.

[0011] Preferably, the inner wall of the collection box is slidably connected to a latch, and both sides of the base are fixedly connected to hollow seats, the latch is plugged into the inner wall of the hollow seat, and a spring is sleeved on the surface of the latch, and the two ends of the spring are fixedly connected to the surface of the latch and the collection box respectively. Through the above components, the elastic force of the spring can allow the latch to be stably inserted into the hollow seat, thereby ensuring the stability of the collection box.

[0012] Compared with the prior art, the advantages and positive effects of the present invention are:

[0013] 1. In the utility model, two groups of movable frames are driven by two groups of cylinders to move, so that the positive head and the negative head are clamped together with the positive and negative poles of the battery for charge and discharge detection, and the adjustable placement seat is used to facilitate the placement of batteries of different thicknesses, and the battery is kept concentrically aligned with the positive head and the negative head. After the detection is completed, the driving unit cooperates with the adjusting screw to drive the pusher to move, and the battery is pushed out for unloading, reducing the manual unloading and manual clamping and loosening operations, which not only improves the unloading efficiency, but also reduces the labor intensity. It can adapt to the detection of lithium-ion batteries of various sizes, ensure good contact between the battery electrodes and the detection components, and ensure the stable transmission of the detection signal, thereby improving the accuracy of the detection and the overall ease of use.

[0014] 2. In the present invention, by providing a collecting device, the batteries pushed out for unloading after detection can be collected, thereby improving the overall practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a schematic diagram of the three-dimensional structure of a quick fixture for charging and discharging detection of lithium-ion batteries;

[0016] Figure 2 This is a partial structural diagram of a quick fixture for lithium-ion battery charge and discharge detection proposed by the utility model;

[0017] Figure 3 The utility model provides a side view structural diagram of a quick fixture for lithium-ion battery charge and discharge detection;

[0018] Figure 4The utility model provides a partial cross-sectional structural diagram of a quick fixture for lithium-ion battery charge and discharge detection;

[0019] Figure 5 The utility model provides a schematic structural diagram of a blanking component of a quick fixture for lithium-ion battery charge and discharge detection.

[0020] Legend:

[0021] 1. Base; 2. Detection mechanism; 21. Cylinder; 22. Moving frame; 23. Positive head; 24. Negative head; 25. Placement seat; 26. Control lever; 27. Unloading assembly; 271. Transparent plate; 272. Pusher; 273. Drive screw; 274. Drive motor; 275. Unloading chute; 28. Adjusting screw; 29. ​​Mark; 3. Collecting device; 31. Collecting box; 32. Hollow seat; 33. Latch; 34. Spring; 35. T-block. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 5 The utility model provides a technical solution: a quick fixture for charging and discharging detection of lithium-ion batteries, comprising a base 1 and a detection mechanism 2, wherein the detection mechanism 2 is arranged on the upper surface of the base 1.

[0023] Specifically, the detection mechanism 2 includes two cylinders 21 and a blanking assembly 27. The two cylinders 21 are fixedly connected to the upper surface of the base 1. The output end of the cylinder 21 is fixedly connected to a movable frame 22. The movable frame 22 is slidingly connected to the inner wall of the base 1. The surfaces of the two movable frames 22 are respectively installed with a positive head 23 and a negative head 24. The inner wall of the base 1 is slidingly connected to a placement seat 25. The inner wall of the base 1 is rotatably connected to an adjusting screw 28. The adjusting screw 28 is threadedly connected to the inner wall of the placement seat 25. The inner wall of the base 1 is rotatably connected to a control rod 26. The control rod 26 and the adjusting screw 28 are connected by a belt for transmission. The blanking assembly 27 is arranged on the surface of the base 1. The blanking assembly 27 includes a transparent plate 271. The transparent plate 271 is fixedly connected to the surface of the base 1. The inner wall of the transparent plate 271 is slidably connected to a pushing member 272. The surface of the transparent plate 271 is provided with a driving unit. The surface of the base 1 is provided with a blanking trough 275.

[0024] In this embodiment: when conducting inspection, the battery can be placed on the placement seat 25, and the two cylinders 21 drive the mobile frame 22 to move respectively. The positive head 23 and the negative head 24 in the two mobile frames 22 will be clamped together with the positive and negative poles of the battery to realize charge and discharge detection. At the same time, the control rod 26 can drive the adjusting screw 28 to rotate through the belt, so as to adjust the placement seat 25 to facilitate the placement of batteries of different thicknesses, so that the battery can be concentrically aligned with the positive head 23 and the negative head 24. After the inspection is completed, the driving unit can cooperate with the adjusting screw 28 to drive the pushing member 272 to move, and push the battery out for unloading.

[0025] Specifically, a mark 29 is provided on one side surface of the placement seat 25. The mark 29 corresponds to lithium-ion battery sizes of different thicknesses. By using the mark 29 corresponding to lithium-ion battery sizes of different thicknesses, precise adjustment can be achieved during adjustment, thereby improving overall accuracy.

[0026] Specifically, the driving unit includes a driving motor 274, which is fixedly connected to the surface of the transparent plate 271. The inner wall of the transparent plate 271 is rotatably connected to a transmission screw 273. The output end of the driving motor 274 is fixedly connected to one end of the transmission screw 273, and the transmission screw 273 is threadedly connected to the inner wall of the pushing member 272.

[0027] In this embodiment, when driving, the driving motor 274 can be turned on, and the driving motor 274 drives the transmission screw 273 to rotate, and the transmission screw 273 can drive the pushing member 272 to move, thereby pushing the battery on the placement seat 25 away for unloading.

[0028] Specifically, the pushing member 272 is composed of two T-shaped rods slidably connected to the inner wall of the transparent plate 271 and a connecting block fixedly connected to the two T-shaped rods.

[0029] Specifically, a collecting device 3 is provided on one side of the base 1, and the collecting device 3 includes a collecting box 31 located on one side of the base 1. A T-shaped block 35 is fixedly connected to the surface of the collecting box 31, and the T-shaped block 35 is plugged into the inner wall of the base 1. A groove is opened on the surface of the collecting box 31, and the groove corresponds to the material trough 275 on the surface of the base 1.

[0030] In this embodiment, the collection box 31 can be placed by inserting the T-shaped block 35 on the collection box 31 into the inner wall of the base 1. When unloading, the batteries roll into the collection box 31 through the unloading chute 275 for collection.

[0031] Specifically, a latch 33 is slidably connected to the inner wall of the collection box 31, and hollow seats 32 are fixedly connected on both sides of the base 1. The latch 33 is plugged into the inner wall of the hollow seat 32, and a spring 34 is sleeved on the surface of the latch 33. The two ends of the spring 34 are fixedly connected to the surface of the latch 33 and the collection box 31 respectively.

[0032] In this embodiment, the latch 33 can be stably inserted into the hollow seat 32 by the elastic force of the spring 34 , thereby ensuring the stability of the collection box 31 .

[0033] Working principle: During the testing process, the placement seat 25 can first be adjusted according to the size of the battery to be tested. When adjusting, the control rod 26 is rotated, and the control rod 26 cooperates with the belt to drive the adjusting screw 28 to rotate. The adjusting screw 28 can drive the placement seat 25 to slide in the inner wall of the base 1 and cooperate with the mark 29 for precise adjustment. After adjustment, the battery can be placed on the placement seat 25, and then the two groups of cylinders 21 simultaneously drive the mobile frame 22 to move. The positive head 23 and the negative head 24 in the two mobile frames 22 can be aligned and clamped with the positive and negative poles of the battery respectively, thereby realizing charge and discharge detection. After the detection is completed, the two groups of cylinders 21 can drive the mobile frame 22 is reset, the positive head 23 and the negative head 24 lose their clamping on the motor, and the drive motor 274 is turned on. The drive motor 274 drives the transmission screw 273 to rotate, and the transmission screw 273 drives the pusher 272 to move. The two T-shaped rods in the pusher 272 can push the battery away from the placement seat 25, and the battery rolls into the collection box 31 through the discharge chute 275 for collection. When the collection box 31 needs to be processed, the pin 33 can be pushed, and the spring 34 is stressed. When the pin 33 is removed from the hollow seat 32, the T-shaped block 35 in the collection box 31 is removed from the base 1, and the collection box 31 can be taken out for processing and completed for use.

Claims

1. A quick fixture for lithium-ion battery charge and discharge detection, comprising a base (1) and a detection mechanism (2), characterized in that: The detection mechanism (2) is arranged on the upper surface of the base (1), and the detection mechanism (2) includes two cylinders (21) and a blanking assembly (27). The two cylinders (21) are fixedly connected to the upper surface of the base (1), and the output end of the cylinder (21) is fixedly connected to a movable frame (22). The movable frame (22) is slidably connected to the inner wall of the base (1). The surfaces of the two movable frames (22) are respectively installed with a positive electrode head (23) and a negative electrode head (24). The inner wall of the base (1) is slidably connected to a placement seat (25), and the inner wall of the base (1) is rotatably connected to an adjusting screw (28). The adjusting screw The rod (28) is threadedly connected to the inner wall of the placement seat (25); the inner wall of the base (1) is rotatably connected to a control rod (26); the control rod (26) is connected to the adjusting screw (28) through a belt transmission; the blanking assembly (27) is arranged on the surface of the base (1); the blanking assembly (27) includes a transparent plate (271); the transparent plate (271) is fixedly connected to the surface of the base (1); the inner wall of the transparent plate (271) is slidably connected to a pusher (272); the surface of the transparent plate (271) is provided with a driving unit; and the surface of the base (1) is provided with a blanking trough (275).

2. A quick fixture for charging and discharging a lithium-ion battery according to claim 1, characterized in that: A mark (29) is provided on one side surface of the placement seat (25), and the mark (29) corresponds to lithium-ion battery sizes of different thicknesses.

3. A quick fixture for charging and discharging detection of lithium-ion batteries according to claim 1, characterized in that: The driving unit comprises a driving motor (274), the driving motor (274) is fixedly connected to the surface of the transparent plate (271), the inner wall of the transparent plate (271) is rotatably connected to a transmission screw (273), the output end of the driving motor (274) is fixedly connected to one end of the transmission screw (273), and the transmission screw (273) is threadedly connected to the inner wall of the pushing member (272).

4. A quick fixture for charging and discharging detection of lithium-ion batteries according to claim 1, characterized in that: The pushing member (272) is composed of two T-shaped rods slidably connected to the inner wall of the transparent plate (271) and a connecting block fixedly connected to the two T-shaped rods.

5. The quick fixture for lithium-ion battery charge and discharge detection according to claim 1, characterized in that: A collecting device (3) is provided on one side of the base (1), and the collecting device (3) comprises a collecting box (31) located on one side of the base (1). A T-shaped block (35) is fixedly connected to the surface of the collecting box (31), and the T-shaped block (35) is plugged into the inner wall of the base (1). A groove is provided on the surface of the collecting box (31), and the groove corresponds to a material trough (275) on the surface of the base (1).

6. A quick fixture for lithium-ion battery charge and discharge detection according to claim 5, characterized in that: The inner wall of the collection box (31) is slidably connected to a latch (33), and both sides of the base (1) are fixedly connected to hollow seats (32). The latch (33) is plugged into the inner wall of the hollow seat (32), and a spring (34) is sleeved on the surface of the latch (33). The two ends of the spring (34) are fixedly connected to the latch (33) and the surface of the collection box (31).

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